61612195 has 8 divisors (see below), whose sum is σ = 75038544. Its totient is φ = 48553824.

The previous prime is 61612183. The next prime is 61612223. The reversal of 61612195 is 59121616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61612195 - 2¹¹ = 61610147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91624 + ... + 92293.

It is an arithmetic number, because the mean of its divisors is an integer number (9379818).

Almost surely, 2^61612195 is an apocalyptic number.

61612195 is a deficient number, since it is larger than the sum of its proper divisors (13426349).

61612195 is a wasteful number, since it uses less digits than its factorization.

61612195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183989.

The product of its digits is 3240, while the sum is 31.

The square root of 61612195 is about 7849.3436031301. The cubic root of 61612195 is about 394.9622246629.

The spelling of 61612195 in words is "sixty-one million, six hundred twelve thousand, one hundred ninety-five".